4a) The following initial rate data are for the reduction of nitric oxide with hydrogen: 2 NO + 2 H2N2 + 2 H2O Experiment [NO]o, M [H2]o, M Initial Rate, M s-1 1 0.438 0.289 7.93×10-2 2 0.876 0.289 0.317 3 0.438 0.578 0.159 4 0.876 0.578 0.634 Complete the rate law for this reaction in the box below. Use the form k[A]m[B]n , where '1' is understood for m or n and concentrations taken to the zero power do not appear. Don't enter 1 for m or n. Rate =     From these data, the rate constant is ____________ M-2s-1. (4b) The following initial rate data are for the reaction of ammonium ion with nitrite ion in aqueous solution: NH4+ + NO2- N2 + 2 H2O Experiment [NH4+]o, M [NO2-]o, M Initial Rate, Ms-1 1 0.710 0.152 3.38×10-5 2 0.710 0.303 6.73×10-5 3 1.42 0.152 6.76×10-5 4 1.42 0.303 1.35×10-4 Complete the rate law for this reaction in the box below. Use the form k[A]m[B]n , where '1' is understood for m or n and concentrations taken to the zero power do not appear. Don't enter 1 for m or n Rate =     From these data, the rate constant is  _________M-1s-1.

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(4a) The following initial rate data are for the reduction of nitric oxide with hydrogen:

2 NO + 2 H2N2 + 2 H2O


Experiment [NO]o, M [H2]o, M Initial Rate, M s-1
1 0.438 0.289 7.93×10-2
2 0.876 0.289 0.317
3 0.438 0.578 0.159
4 0.876 0.578 0.634




Complete the rate law for this reaction in the box below.
Use the form k[A]m[B]n , where '1' is understood for m or n and concentrations taken to the zero power do not appear. Don't enter 1 for m or n.

Rate =    



From these data, the rate constant is ____________ M-2s-1.

(4b) The following initial rate data are for the reaction of ammonium ion with nitrite ion in aqueous solution:

NH4+ + NO2- N2 + 2 H2O


Experiment [NH4+]o, M [NO2-]o, M Initial Rate, Ms-1
1 0.710 0.152 3.38×10-5
2 0.710 0.303 6.73×10-5
3 1.42 0.152 6.76×10-5
4 1.42 0.303 1.35×10-4




Complete the rate law for this reaction in the box below.
Use the form k[A]m[B]n , where '1' is understood for m or n and concentrations taken to the zero power do not appear. Don't enter 1 for m or n

Rate =    



From these data, the rate constant is  _________M-1s-1.

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